Marbled Orb Weaver Michigan

Araneus marmoreus commonly called the marbled orb weaver is a species of spider belonging to the family araneidae it is sometimes also called the pumpkin spider from the resemblance of the female s inflated abdomen to an orange pumpkin.

Marbled orb weaver michigan.

Marbled orb weaver description. Araneus marmoreus is found throughout all of canada to alaska the northern rockies from north dakota to texas and then. Marbled orb weavers have an oval shaped abdomen. A typical adult spider has a length of about 20 millimeters.

An orb weaver can be great to have around. Females are 0 35 0 8 in 9 20 mm while males are around 0 19 0 35 in 5 9 mm. There are others whose abdomens are white. The marbled orb weaver can have several appearances.

The marbled orb weaver. Orb weaver spiders are members of the spider family araneidae they are the most common group of builders of spiral wheel shaped webs often found in gardens fields and forest. Louise kotz linwood michigan. This species exhibits significant sexual dimorphism.

Orb can in english mean circular hence the english name of the group. This is the biggest of all the spider species available. But try telling that to jittery guests gathered in the gazebo hemmed in on all sides by nylon netting meant to keep insects out not in. Its abdomen is very large with spots that are brown to purple.

Marbled orb weavers can have a wide variety of colors and patterns. Araneids have eight similar eyes hairy or spiny legs and no stridulating organs. Some individuals may have an orange and yellow abdomen while others have black and yellow black and orange or black and white. Giant lichen orbweaver females can have bodies over an inch in length.

Females of this species are much larger at 9 0 to 18 0 mm long and 2 3 to 4 5 mm wide while males are 5 9 to 8 4 mm long and 2 3 to 3 6 mm wide. Unlike other orb weaver spiders marbled orb weavers have an oval shaped abdomen. The coloring can be a bright orange a mixture of lighter orange and beige bright yellow with black pale yellow and black cream to brown to even red. Marbled orb weaver spider.

The marbled orb weaver belonging to the class arachnida is one of the good looking spiders. Their abdomen has several marble like patterns which are the reason behind the name. Females are much larger they are 9 0 to 18 0 mm long and 2 3 to 4 5 mm wide while males are 5 9 to 8 4 mm long and 2 3 to 3 6 mm wide. They are normally summer spiders that vanish by fall leaving their egg sacs protected for overwintering.

The typical orange body color of the marbled orbweaver one of the larger araneus species can be replaces by shades of white and yellow. The unique marbling pattern of colors on the abdomen the orange head and upper legs and black and white banded lower legs make the marbled orb weaver visually stunning. Physical description and identification adults. It has a holarctic distribution.